УМОЛЯЮ!!! ДАЮ 60 БАЛЛОВ!!!! ОЧЕНЬ СРОЧНО!!!!!

Open the brackets using the correct form of the verb

One day, I 1)__(sit) at my desk in the office minding my own business and just twiddling my thumbs. I could feel it in my bones that something 2)__(happen). Suddenly out of the blue, and without so much as a by-your-leave, my colleague Tom Jessop 3) __(pull) the power cable put of the back of my computer, switching it off instantly. Before I 4)__(know) where I was, he 5)__(switch) it on again, and in next to no time, it 6)__(work) normally. He 7)__(explain)that he 8)__(notice) out of the corner of his eye that I was just about to open an e-mail containing a dangerous virus his computer 9)__(crash) by. But, would you believe it, my work 10)__(save) for about an hour, and to cut a long story short, by pulling out my power cable he 11)__(cause) me to lose a report I 12)__(write) too! However, as luck would have it, I 13)__(have) a copy on my laptop. I 14)__know it to be just one of those things, but still, it just 15)__(go) to show how you can never trust technology. ​